Power Specs: Global Universal Voltage; AC Input 100V-240V 50/60Hz; DC Output 15V 3A 45W. Smart Security: Built-in security chip provides comprehensive protection for you and your device. Short Circit, Temperature, Over Load, Over Voltage, Over Current, Over Charge Protection. Extensive Compatibility: Smart Speaker, Bluetooth Speaker, Receiver, Amplifier, LED Lights, Security Cameras, Projector and more electronic product equipment. Note: Only compatible with 15V DC plugs and current 100mA~3000mA (0.1a~3A), within 45 watts. [Friendly Customer Support]: If you have any questions or concerns, please don't hesitate to reach out. Our dedicated professional team is here to provide you with friendly and efficient customer service.